Eheim 2211 Canister filter is coming out of retirement, perfect for nanos
Once upon a time, the Eheim 2011 was the shorty in the world famous line of Eheim canister filters. When power filters and larger tanks started to dwindle the market for small canisters, the 2011 was retired and the aquarium world was left to their own devices for filtering the 10-25 gallon range of aquariums. [...]